Java Standard Edition – Advanced Level

Interfaces and Abstractions

Learn how to design flexible systems using interfaces and abstract classes. You will structure your applications to be more modular and maintainable.

Generics: Basics and Use Cases in Java

Abstract Classes and Interfaces in Java

Abstract Classes in Java

Interfaces in Java

Collections Framework

Learn how to store, retrieve, and manipulate data efficiently using Java collections. You will explore different implementations and understand their performance characteristics.

Access Collections Concurrently: Two Java Approaches

Sort Collections With Comparable and Comparator

Using Iterators and the for-each Loop Safely

The Comparator Interface in Java

The Comparable Interface in Java

Queue Implementations in Java: A Comparative Analysis

ArrayDeque: Internal Structure, Performance, and Use Cases

PriorityQueue: Internal Structure, Performance, and Use Cases

Set Implementations in Java: A Comparative Analysis

HashSet in Java: Internal Structure, Performance, and Use Cases

Functional Programming

Adopt a modern programming style using lambda expressions and functional interfaces. You will write cleaner and more concise code.

Nested Classes vs Lambda Expressions: When to Use Each

Lambda Expression Syntax: Parameters and Body Explained

Functional Interfaces and Lambda Expressions

Nested Classes in Java: Static, Inner, Local, Anonymous

Stream API

Process collections of data using streams and declarative pipelines. You will learn how to transform, filter, and aggregate data efficiently.

Spliterator Explained: The Engine Behind Streams

Parallel Stream Processing: Performance and Risks

Bi-Argument Functional Interfaces in the Stream API

Aggregating Stream Data Using the reduce Operation

Stream Operations and Pipelines Explained

Java Stream API: What It Is (and What It Is Not)

Creating and Consuming Streams in Java

Java IO (NIO.2 focus)

Work with files, directories, and input/output streams. You will use modern APIs to read, write, and manage data safely.

Deleting Paths Safely in Java

Working with Filesystems in Java

Serialize an Object Graph: Understanding Java Serialization

Java IO API: What You Need To Know